[Bug 1251818] Re: I can not update ubuntu

[Brian Murray]

Reviewing the files from your upgrade attempt you seem to have enabled
the xorg-edgers-ppa.  This will prevent the upgrade as that PPA contains
different versions of packages essential to Ubuntu.  The page,
https://launchpad.net/~xorg-edgers/+archive/ppa, contains details on to
how to revert to the official Xorg packages.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Invalid

** Tags added: ppa xorg-edgers-ppa

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https://bugs.launchpad.net/bugs/1251818

Title:
  I can not update ubuntu

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Invalid

Bug description:
  I can not update ubuntu from 13.04 to 13.10.
  Update manager displays the error 

  "Failed to calculate the upgrade of the system
  An unresolvable problem occurred while calculating the upgrade.
  This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu
   * Unofficial software packages not provided by Ubuntu"

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
  Uname: Linux 3.8.0-33-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: i386
  CrashDB: ubuntu
  Date: Sat Nov 16 17:14:54 2013
  InstallationDate: Installed on 2012-10-27 (384 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-11-16 (0 days ago)
  VarLogDistupgradeTermlog:

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